[INFO] cloning repository https://github.com/ASwitchCase/menu-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ASwitchCase/menu-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FASwitchCase%2Fmenu-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FASwitchCase%2Fmenu-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20e2021bd7d618efc3ab526ebd3a91f7e08d9f2e
[INFO] testing ASwitchCase/menu-system against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FASwitchCase%2Fmenu-system" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ASwitchCase/menu-system
[INFO] finished tweaking git repo https://github.com/ASwitchCase/menu-system
[INFO] tweaked toml for git repo https://github.com/ASwitchCase/menu-system written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ASwitchCase/menu-system on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ASwitchCase/menu-system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c65ea0e5280dc5a0263ee6a58ff1d4049f8f00d33c11c669d3055f460b7eedb3
[INFO] running `Command { std: "docker" "start" "-a" "c65ea0e5280dc5a0263ee6a58ff1d4049f8f00d33c11c669d3055f460b7eedb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c65ea0e5280dc5a0263ee6a58ff1d4049f8f00d33c11c669d3055f460b7eedb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c65ea0e5280dc5a0263ee6a58ff1d4049f8f00d33c11c669d3055f460b7eedb3", kill_on_drop: false }`
[INFO] [stdout] c65ea0e5280dc5a0263ee6a58ff1d4049f8f00d33c11c669d3055f460b7eedb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb865ac6ee61b11f4be6a09e967650445b5530d63d86604be476e02856baa8b1
[INFO] running `Command { std: "docker" "start" "-a" "fb865ac6ee61b11f4be6a09e967650445b5530d63d86604be476e02856baa8b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling menu-system0-0-1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `back` is never used
[INFO] [stdout]   --> src/menu_system.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl MenuTree {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn back(&mut self) -> MenuNode {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "fb865ac6ee61b11f4be6a09e967650445b5530d63d86604be476e02856baa8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb865ac6ee61b11f4be6a09e967650445b5530d63d86604be476e02856baa8b1", kill_on_drop: false }`
[INFO] [stdout] fb865ac6ee61b11f4be6a09e967650445b5530d63d86604be476e02856baa8b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 873b5576ab89b8594e6886e8d2baab0fe822a4ae6d80383e662eb6d458a8f1b9
[INFO] running `Command { std: "docker" "start" "-a" "873b5576ab89b8594e6886e8d2baab0fe822a4ae6d80383e662eb6d458a8f1b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling menu-system0-0-1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `back` is never used
[INFO] [stdout]   --> src/menu_system.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl MenuTree {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn back(&mut self) -> MenuNode {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "873b5576ab89b8594e6886e8d2baab0fe822a4ae6d80383e662eb6d458a8f1b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873b5576ab89b8594e6886e8d2baab0fe822a4ae6d80383e662eb6d458a8f1b9", kill_on_drop: false }`
[INFO] [stdout] 873b5576ab89b8594e6886e8d2baab0fe822a4ae6d80383e662eb6d458a8f1b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3435d3c8c722d3f76d45e32dea4886fd2d5c756cfe29c601e1b64e7968a8c622
[INFO] running `Command { std: "docker" "start" "-a" "3435d3c8c722d3f76d45e32dea4886fd2d5c756cfe29c601e1b64e7968a8c622", kill_on_drop: false }`
[INFO] [stderr] warning: method `back` is never used
[INFO] [stderr]   --> src/menu_system.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl MenuTree {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn back(&mut self) -> MenuNode {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `menu-system0-0-1` (bin "menu-system0-0-1" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/menu_system0_0_1-6fa7b792ea9893c9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3435d3c8c722d3f76d45e32dea4886fd2d5c756cfe29c601e1b64e7968a8c622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3435d3c8c722d3f76d45e32dea4886fd2d5c756cfe29c601e1b64e7968a8c622", kill_on_drop: false }`
[INFO] [stdout] 3435d3c8c722d3f76d45e32dea4886fd2d5c756cfe29c601e1b64e7968a8c622
